CN105814603A - 方法和装置 - Google Patents

方法和装置 Download PDF

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Publication number
CN105814603A
CN105814603A CN201480043658.9A CN201480043658A CN105814603A CN 105814603 A CN105814603 A CN 105814603A CN 201480043658 A CN201480043658 A CN 201480043658A CN 105814603 A CN105814603 A CN 105814603A
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China
Prior art keywords
signal
function
frequency
image
samples
Prior art date
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Pending
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CN201480043658.9A
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English (en)
Chinese (zh)
Inventor
何塞·安东尼奥·尤莉根
皮尔·路易吉·德拉古蒂
蒂埃里·阿尔伯特·让-路易·布鲁
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Ip2ipo Innovations Ltd
Chinese University of Hong Kong CUHK
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Imperial Innovations Ltd
Chinese University of Hong Kong CUHK
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Application filed by Imperial Innovations Ltd, Chinese University of Hong Kong CUHK filed Critical Imperial Innovations Ltd
Publication of CN105814603A publication Critical patent/CN105814603A/zh
Pending legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/12—Edge-based segmentation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
    • G06F5/01—Methods or arrangements for data conversion without changing the order or content of the data handled for shifting, e.g. justifying, scaling, normalising
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/10—Image preprocessing, e.g. calibration, positioning of sources or scatter correction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4053—Scaling of whole images or parts thereof, e.g. expanding or contracting based on super-resolution, i.e. the output image resolution being higher than the sensor resolution
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4084—Scaling of whole images or parts thereof, e.g. expanding or contracting in the transform domain, e.g. fast Fourier transform [FFT] domain scaling
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/13—Edge detection
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/30—Determination of transform parameters for the alignment of images, i.e. image registration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2205/00—Indexing scheme relating to group G06F5/00; Methods or arrangements for data conversion without changing the order or content of the data handled
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20048—Transform domain processing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20212—Image combination

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Data Mining & Analysis (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Complex Calculations (AREA)
  • Measurement Of Optical Distance (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
CN201480043658.9A 2013-05-30 2014-05-30 方法和装置 Pending CN105814603A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1309689.6 2013-05-30
GB1309689.6A GB2514595B (en) 2013-05-30 2013-05-30 Method and apparatus for estimating frequency domain representation of signals
PCT/GB2014/051671 WO2014191771A2 (en) 2013-05-30 2014-05-30 Method and apparatus

Publications (1)

Publication Number Publication Date
CN105814603A true CN105814603A (zh) 2016-07-27

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Family Applications (1)

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CN201480043658.9A Pending CN105814603A (zh) 2013-05-30 2014-05-30 方法和装置

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US (1) US10090872B2 (https=)
EP (1) EP3005287A2 (https=)
JP (1) JP6397001B2 (https=)
CN (1) CN105814603A (https=)
GB (1) GB2514595B (https=)
WO (1) WO2014191771A2 (https=)

Cited By (4)

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CN111490752A (zh) * 2020-04-22 2020-08-04 广西科技大学 一种用于数字滤波器求取光谱导数的方法
CN113050043A (zh) * 2021-03-26 2021-06-29 浙江工业大学 基于非理想lpf的探地雷达超宽带高斯脉冲fri采样方法
CN114488217A (zh) * 2021-12-24 2022-05-13 中国人民解放军战略支援部队航天工程大学 基于深度学习的高轨卫星cei信号频率估计方法
CN116187064A (zh) * 2023-02-14 2023-05-30 中国科学院国家空间科学中心 一种连续信号时间序列二阶导数的数值仿真方法

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US9519819B2 (en) * 2014-07-14 2016-12-13 Fingerprint Cards Ab Method and electronic device for noise mitigation
CN109145476B (zh) * 2018-08-31 2023-05-26 重庆水利电力职业技术学院 用于电力系统信号处理的时域自适应分段复指数级数法
JP7258247B2 (ja) * 2020-11-18 2023-04-14 三菱電機株式会社 レーダ信号処理装置、レーダ装置、及びレーダ信号処理方法
CN116449309B (zh) * 2023-03-06 2026-04-07 西安电子科技大学 一种基于抽稀算法的非线性调频信号产生方法

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111490752A (zh) * 2020-04-22 2020-08-04 广西科技大学 一种用于数字滤波器求取光谱导数的方法
CN111490752B (zh) * 2020-04-22 2024-02-02 广西科技大学 一种用于数字滤波器求取光谱导数的方法
CN113050043A (zh) * 2021-03-26 2021-06-29 浙江工业大学 基于非理想lpf的探地雷达超宽带高斯脉冲fri采样方法
CN114488217A (zh) * 2021-12-24 2022-05-13 中国人民解放军战略支援部队航天工程大学 基于深度学习的高轨卫星cei信号频率估计方法
CN114488217B (zh) * 2021-12-24 2022-11-18 中国人民解放军战略支援部队航天工程大学 基于深度学习的高轨卫星cei信号频率估计方法
CN116187064A (zh) * 2023-02-14 2023-05-30 中国科学院国家空间科学中心 一种连续信号时间序列二阶导数的数值仿真方法
CN116187064B (zh) * 2023-02-14 2024-03-12 中国科学院国家空间科学中心 一种连续信号时间序列二阶导数的数值仿真方法

Also Published As

Publication number Publication date
EP3005287A2 (en) 2016-04-13
US20160119007A1 (en) 2016-04-28
JP6397001B2 (ja) 2018-09-26
GB2514595A (en) 2014-12-03
GB201309689D0 (en) 2013-07-17
GB2514595B (en) 2017-10-18
WO2014191771A2 (en) 2014-12-04
JP2016529472A (ja) 2016-09-23
WO2014191771A3 (en) 2015-01-22
US10090872B2 (en) 2018-10-02

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